Electric heating – Metal heating – By arc
Reexamination Certificate
2006-09-26
2006-09-26
Evans, Geoffrey S. (Department: 1725)
Electric heating
Metal heating
By arc
C219S121630
Reexamination Certificate
active
07112761
ABSTRACT:
A hand-held laser-welding wand includes a gas lens assembly that develops an inert gas atmosphere around a weld pool. The lens assembly additionally reflects laser light and thermal radiation that is reflected off a work piece surface away from the hand of a user of the hand-held laser welding wand.
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Hughes Thomas M.
Taylor Clyde R.
Evans Geoffrey S.
Honeywell International , Inc.
Ingrassia Fisher & Lorenz
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